000			00469nam a2200181Ia 4500
008			130910s9999 xx 000 0 und d
020			_a0408709294
041			_aeng
082			_221st ed. _a025.04 _bRIJ/I,2
100			_aRijsbergen, C.J. Van
245			_aInformation retrieval _cC.J. Van Rijsbergen
250			_a2nd ed.
260			_aLondon : _bButterworths , _c1979
300			_aix, 208 p.
365			_bUSD 31.25
653			_aInformation retrieval
942			_cEN _2ddc
999			_c4843 _d4843